Panjab University Chandigarh
Computing Organization And System Maintenance
Paper : BCA 1st Year
Time : 3 Hrs.
M.Marks : 90
Note : Attempt five questions in all. Select one question each from Sections A-D. section E is compulsory.
Section - A
1. (a) How the stored-program concept is implemented with Von-Neumann architecture ? Also explain the feature of his architecture. 9
(b) Explain various micro-operations that can be carried out with Registrar Transfer Language. 9
2. (a) Why flip-flops are used ? Explain J-K flip in detail. 9
(b) Explain Decoders and encoders with suitable examples 9
Section - B
3. (a) Explain strobe based and handshake based communication thorugh example. 9
(b) Detail out the various stage, hazard and methods to remove diagram. 9
4. (a) How data is transfered in DMA ? Explain through functional diagram. 9
(b) Explain CPU organization in detail. 9
Section - C
5. (a) Explain memory organization of a computer system. 9
(b) Compare and contrast machine and assembly language. 9
6. (a) Explain the importance of Associative and cache memories with suitable examples. 9
(b) Write an assembly language program for integer multiplication.
Scction - C
7. (a) Which activities are carried - out and why, while physical inspection of a PC ? 9
(b) Explain various peripherals used in a PC. 9
8. (a) Give functional description of various cards of a PC. 9
(b) How a computer is detected for viruses and can be protected from viruses ?. Explain 9
Section - D
9. Explain :
(a) Diagnostics on PC
(b) Software Installation
(c) Floating representation in assembly Language
(d) I/O Programming in Assembly Language
(e) Counters
(f) Multiplexers 9*2= 18
Computing Organization And System Maintenance
Paper : BCA 1st Year
Time : 3 Hrs.
M.Marks : 90
Note : Attempt five questions in all. Select one question each from Sections A-D. section E is compulsory.
Section - A
1. (a) How the stored-program concept is implemented with Von-Neumann architecture ? Also explain the feature of his architecture. 9
(b) Explain various micro-operations that can be carried out with Registrar Transfer Language. 9
2. (a) Why flip-flops are used ? Explain J-K flip in detail. 9
(b) Explain Decoders and encoders with suitable examples 9
Section - B
3. (a) Explain strobe based and handshake based communication thorugh example. 9
(b) Detail out the various stage, hazard and methods to remove diagram. 9
4. (a) How data is transfered in DMA ? Explain through functional diagram. 9
(b) Explain CPU organization in detail. 9
Section - C
5. (a) Explain memory organization of a computer system. 9
(b) Compare and contrast machine and assembly language. 9
6. (a) Explain the importance of Associative and cache memories with suitable examples. 9
(b) Write an assembly language program for integer multiplication.
Scction - C
7. (a) Which activities are carried - out and why, while physical inspection of a PC ? 9
(b) Explain various peripherals used in a PC. 9
8. (a) Give functional description of various cards of a PC. 9
(b) How a computer is detected for viruses and can be protected from viruses ?. Explain 9
Section - D
9. Explain :
(a) Diagnostics on PC
(b) Software Installation
(c) Floating representation in assembly Language
(d) I/O Programming in Assembly Language
(e) Counters
(f) Multiplexers 9*2= 18